01: /*
02: * <copyright>
03: *
04: * Copyright 1997-2004 BBNT Solutions, LLC
05: * under sponsorship of the Defense Advanced Research Projects
06: * Agency (DARPA).
07: *
08: * You can redistribute this software and/or modify it under the
09: * terms of the Cougaar Open Source License as published on the
10: * Cougaar Open Source Website (www.cougaar.org).
11: *
12: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
13: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
14: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
15: * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
16: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
17: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
18: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
22: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23: *
24: * </copyright>
25: */
26:
27: package org.cougaar.mts.base;
28:
29: import org.cougaar.core.component.ServiceBroker;
30: import org.cougaar.core.component.ServiceProvider;
31: import org.cougaar.core.mts.MessageTransportClient;
32: import org.cougaar.mts.std.AspectFactory;
33:
34: /**
35: * This {@link ServiceProvider} both provides and implements the {@link
36: * ReceiveLinkProviderService}. It makes new links as needed,
37: * atttaching Aspect delegates for every instantiation.
38: */
39: public class ReceiveLinkFactory extends AspectFactory implements
40: ReceiveLinkProviderService, ServiceProvider {
41:
42: public Object getService(ServiceBroker sb, Object requestor,
43: Class serviceClass) {
44: // Could restrict this request to the registry
45: if (serviceClass == ReceiveLinkProviderService.class) {
46: if (requestor instanceof MessageTransportRegistry.ServiceImpl)
47: return this ;
48: }
49: return null;
50: }
51:
52: public void releaseService(ServiceBroker sb, Object requestor,
53: Class serviceClass, Object service) {
54: }
55:
56: /**
57: * Make a new ReceiveLinkImpl and attach all relevant aspects.
58: * The final object returned is the outermost aspect delegate, or
59: * the ReceiveLinkImpl itself if there are no aspects. */
60: public ReceiveLink getReceiveLink(MessageTransportClient client) {
61: ReceiveLink link = new ReceiveLinkImpl(client,
62: getServiceBroker());
63: return (ReceiveLink) attachAspects(link, ReceiveLink.class);
64: }
65: }
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